Home / 87,220,945.80-130,831,418.70-60,011,166.60

Finding the Fourth Proportional to 87,220,945.80, 130,831,418.70 and 60,011,166.60

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Solution

The fourth proportional to 87,220,945.80, 130,831,418.70 and 60,011,166.60 is: 90,016,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,220,945.80 : 130,831,418.70 = 60,011,166.60 : x
  2. Step 2: Convert to fraction form
    87,220,945.80/130,831,418.70 = 60,011,166.60/x
  3. Step 3: Cross multiply
    87,220,945.80x = 130,831,418.70 × 60,011,166.60
  4. Step 4: Simplify right side
    87,220,945.80x = 7,851,346,064,120,056
  5. Step 5: Solve for x
    x = 7,851,346,064,120,056/87,220,945.80
  6. Step 6: Final answer
    x = 90,016,749.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.